一道高考英语阅读题

ThesceneintheHollywoodmovieTheDayAfterTomorrow,whenglobalwarmingcouldsoonturntheglobalclimate(气候)intoanewiceage,mayneveroccur,accordingtonewresearch.

Thenexticeagecouldbe15,000yearsaway,sayEuropeanscientistswholastmonthannouncedacontinuousrecordof7.40,000yearsofclimatedata(数据)obtainedfromtheAntarcticice.

Scientistsfrom10nationshavenowalmostcompletelydrilledthrougha3,000-meter.depthoficehighintheAntarcticmainland.Theyfigureoutthattheareawheresummertemperaturescanfallto－40℃,hasatleast900,000yearsofsnowfalls,keptasneatlyasthegrowthringsofatree.Andtheiceandaircaughtineachlayer(℃层)havebeguntoanswerquestionsabouttheclimatesinthepast.

Theresultsshowthattherehavebeeneighticeagesinthepast740,000yearsandeightwarmerperiods.Andbycomparingthepatternofglobalconditionstodaywiththoseofthepast,theresearchersreportedinNaturethatthepresentwarmperiodcouldlastanother15,000years.

Researchsuggeststhatthereisaverycloseconnectionbetweengreenhousegaslevelsandglobalaveragetemperatures.Italsoshowsthatcarbondioxide(二氧化碳)levelsarethehighestforatleast440,000years.

“Ifpeoplesaytoyou:thegreenhouseeffectisagoodthingbecausewewouldgointoaniceageoth.0pt189.0erwise,ourdatasayno,anewiceageisnothangingoverourheads,”saidEricWolfffromtheBritishAntarcticSurvey.“Nowwehaveeightexamplesofhowtheclimategoesinandoutoficeages…andyoucanlearnwhattherulesarethatgointotheclimatemodelsthattellusaboutthefuture.”

Scientistsfoundthatwhenevertemperaturesroseinthefrozenrecord,sodidcarbondioxidelevel.“In440,000yearswehaveneverseengreenhousegasgetasthickasitistoday,”saidDrWolff.

51题选什么,为什么选这个,我当时选了A,我觉得A最适合

51.Whatwouldbethebesttitleforthepassage?

A.ResearchovertheAntarcticarea.

B.Warmperiodtolastabout15,000years.

C.Reportontheeighticeagesinthepast.

D.Hollywoodmoviesandtheglobalclimate.